TEMPERING n.
d, as indicated by the color produced on a polished portion, or by the burning of oil. Tempering color, the shade of color that indicates the degree of temper in tempering steel, as pale straw yellow for lancets, razors, and tools for metal; dark straw yellow for penknives, screw taps, etc.; brown yellow for axes, chis…
A PRIORI n.
Applied to knowledge and conceptions assumed, or presupposed, as prior to experience, in order to make experience rational or possible. A priori, that is, form these necessities of the mind or forms of thinking, which, though first revealed to us by experience, must yet have preëxisted in order to make experience possi…